Home / 292,613.20-403,831.08-165,312.16

Finding the Fourth Proportional to 292,613.20, 403,831.08 and 165,312.16

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Solution

The fourth proportional to 292,613.20, 403,831.08 and 165,312.16 is: 228,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,613.20 : 403,831.08 = 165,312.16 : x
  2. Step 2: Convert to fraction form
    292,613.20/403,831.08 = 165,312.16/x
  3. Step 3: Cross multiply
    292,613.20x = 403,831.08 × 165,312.16
  4. Step 4: Simplify right side
    292,613.20x = 66,758,188,109.93
  5. Step 5: Solve for x
    x = 66,758,188,109.93/292,613.20
  6. Step 6: Final answer
    x = 228,144.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.